HalfRuns
Bob Marshall Trail Races

Bob Marshall Trail Races

Bob Marshall Trail Races weave through Montana's wild frontier, offering stunning wilderness scenery.

Race Date

Jul 18, 2026

Location

Seeley Lake, MT

Quick facts

Date
Saturday, July 18, 2026
Location
Seeley Lake, Montana
Distance
Half marathon (13.1 mi) + 50K, 25K, 26.2 Miles, 10K
Course
Loop Course
Terrain
Mixed
USATF certified
Not listed
Finishers on record
133

Highlights

Good For

Destination Worthy

Atmosphere

Well Supported

Course

Shaded

The Experience

The Bob Marshall Trail Races invite runners into the heart of Montana's breathtaking wilderness, just outside the famed Bob Marshall Wilderness area. Set near Seeley Lake, the course winds through a landscape of majestic, forested mountains and pristine lakes, offering a chance to encounter abundant wildlife.

The race unfolds across a challenging mix of terrain, featuring ski trails, rugged singletrack, and Forest Service roads. Runners will find no pavement here, only the raw beauty of a wild frontier, making it an immersive trail running experience.

This event promises an unforgettable adventure, surrounded by jaw-dropping scenery and the untamed spirit of one of the nation's last wild places.

Race-provided description

The Bob Marshall Trail Races Don't miss out on the adventure of a lifetime with this exhilarating trail run just outside the breathtaking Bob Marshall Wilderness! Nestled among a stunning chain of lakes, Seeley Lake is surrounded by majestic, forested mountains and teeming with incredible wildlife, including moose, elk, wolves, and the elusive Grizzly bear.  Join us for an unforgettable race experience — whether you’re tackling the challenge of a 50K, 25K, Marathon, Half Marathon, or 10K, you'll be mesmerized by the jaw-dropping scenery that surrounds you, all set on the edge of one of the Nation's last wild frontiers.  The race kicks off at the scenic Seeley Creek Ski Trails in Seeley Lake, MT. You’ll run through beautiful ski trails, rugged singletrack, and along Forest Service roads, all while immersed in the raw beauty of the rugged Bob Marshall Wilderness Area. No pavement!  Lace up your trail shoes and prepare for an epic journey through fantastic surroundings!  All registrants receive a souvenir race medal and lanyard, a custom race bib, a custom race sticker, a Wolf Pack sticker, Hammer Nutrition fueling products, aid station support, a marked/certified course, a chip-timed event, accurate posted results, snacks, and refreshments at the finish line. Discounted race shirts are available for purchase and are delivered to your home address via Amazon Prime.

Course Info

Course Type

Loop Course

Terrain

mixed

Scenery

Forest, Mountain

Surface

Dirt Trail

Difficulty

Ultra-Flat

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

50K25K26.2 Miles10K

Quality Score

Methodology
Heritage8/20

4 years running

Size8/15

~41 finishers a year

Momentum3/5

small race — neutral

Loyalty0/20

0% returning runners

Course & details6/15

3 timing sources · 5 photos

National draw0/10

no finisher data yet

Front-pack speed0/5

winner 1:36:00

Weather0/10

typical high 85°F

Race Day Weather

5-year historical avg

Start (Low)

55°

Afternoon (High)

85°

Hot conditions — adjust pace expectations, prioritize hydration

0.0"

Precipitation

9 mph

Wind

45%

Humidity

Historical Finish Times

How 133 finishers actually crossed the line across 4 years.

Most recent

2024

Total finishers

133

Median time

2:54:43

Latest turnout

26

States

10%
25%
75%
90%
1:25p50 median ≈ 2:354:55

Turnout by year

20212024

'21'22'23'24
See full results

Hover the histogram to inspect specific finish times.

Race Photos

Frequently asked

When is the Bob Marshall Trail Races?

The Bob Marshall Trail Races is held on Saturday, July 18, 2026, starting at 9:00 AM.

Where does the Bob Marshall Trail Races take place?

It takes place in Seeley Lake, Montana.

What distances does the Bob Marshall Trail Races offer?

The half marathon (13.1 miles), plus 50K, 25K, 26.2 Miles, 10K.

Is the Bob Marshall Trail Races course flat and good for a PR?

The Bob Marshall Trail Races is a ultra-flat, loop course course.

How many people run the Bob Marshall Trail Races?

HalfRuns has finish records for 133 runners who have completed the Bob Marshall Trail Races.

HalfRuns editorial — independent, no paid placement.

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